Question

In figure,which of the following statement must be true?
1.a+b=d+c 2.a+c+e=180 3.b+f=c+e
a.1 only b.2 only c.3 only d.3 and 2
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Answer 1

Answer:

option( d) will be correct.

Answer 2

right and will be d becz it will 2 and 3 both show vertically opposite angle